Figure 7From: Winter and spring diving behavior of bowhead whales relative to prey Fastloc GPS system used for collecting dive data from bowhead whales in Disko Bay from 2008 to 2011. (A) The electronic package shaped as a 'yellow submarine’ with the wire to the harpoon-head anchor system. Three magnesium bolts on the wire ensure release from the whale after a fixed period of time. (B) The tag is deployed with an 8 m fiberglass pole from a fast dinghy. A biopsy is collected simultaneously. (C) The tag is dragged alongside the whale.Back to article page